CN102347651A - Segmented rotor - Google Patents

Segmented rotor Download PDF

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Publication number
CN102347651A
CN102347651A CN2011102219397A CN201110221939A CN102347651A CN 102347651 A CN102347651 A CN 102347651A CN 2011102219397 A CN2011102219397 A CN 2011102219397A CN 201110221939 A CN201110221939 A CN 201110221939A CN 102347651 A CN102347651 A CN 102347651A
Authority
CN
China
Prior art keywords
rotor
segmentation
sections
wheel
section
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN2011102219397A
Other languages
Chinese (zh)
Other versions
CN102347651B (en
Inventor
M·罗罕瓦拉
K·S·黑兰
D·埃尔诺
R·奇林
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
General Electric Co
Original Assignee
General Electric Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by General Electric Co filed Critical General Electric Co
Publication of CN102347651A publication Critical patent/CN102347651A/en
Application granted granted Critical
Publication of CN102347651B publication Critical patent/CN102347651B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/18—Structural association of electric generators with mechanical driving motors, e.g. with turbines
    • H02K7/1807—Rotary generators
    • H02K7/1823—Rotary generators structurally associated with turbines or similar engines
    • H02K7/183—Rotary generators structurally associated with turbines or similar engines wherein the turbine is a wind turbine
    • H02K7/1838—Generators mounted in a nacelle or similar structure of a horizontal axis wind turbine
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
    • H02K1/30—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures using intermediate parts, e.g. spiders
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/12—Machines characterised by the modularity of some components
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Energy (AREA)
  • Sustainable Development (AREA)
  • Wind Motors (AREA)
  • Permanent Field Magnets Of Synchronous Machinery (AREA)
  • Iron Core Of Rotating Electric Machines (AREA)

Abstract

The present application provides a segmented rotor (100). The segmented rotor (100) may include a center wheel (110), a number of rotor support segments (150) positioned about the center wheel (110), and a number of active rotor components (180) positioned about each of the rotor support segments (150).

Description

The segmentation rotor
Technical field
The application relates generally to the segmentation rotor of electric machinery, and more particularly relates to the segmentation rotor that is used for such as the high-rating generator of direct transmission of wind turbine and analog thereof, so that satisfy the shipment constraint of conventional ground, keeps product reliability simultaneously.
Background technology
Wind turbine has been subjected to increasing public attention and attention, because such turbine Environmental security and providing has the relatively inexpensive alternative energy source of zero greenhouse gas (" GHG ") discharging.Because this concern that increases day by day, made that a large amount of effort are developed reliably and wind turbine efficiently.
Generally speaking, wind turbine uses wind to generate electricity or drives the load of any kind.Wind makes one or more blade rotation that are connected to wheel hub and axle.This can be got in touch with the rotor of generator.So rotary electrification of blade, axle and rotor.Wind turbine converts the kinetic energy of wind to machine power, and this machine power driving generator generates electricity then.
A kind of rotor that is used to have the wind turbine generator of about five megawatt rated values can have about six meters diameter of surpassing.The rotor of the utility network level wind turbine of other type can be significantly bigger.Yet the typical through transport shipment container that is used for railway, boats and ships and/or truck transport can have about four meters degree of depth, about four meters height and about 15 meters length usually.Therefore, these conventional through transports shipment containers are not useable for transporting the wind turbine rotor of most of types etc.On the contrary, possibly need the more transportation of expensive types.
Therefore need a kind of segmentation rotor, it can transport via usual manner, simultaneously relatively easily assembling at the scene.In addition, resulting rotor should have expection intensity and the integrality as finding about existing assembly.
Summary of the invention
Therefore the application provides a kind of segmentation rotor.This segmentation rotor can comprise: centre wheel, and a plurality of rotor supports sections around centre wheel location, and around a plurality of movable rotor component of each rotor supports section location wherein.
The application also provides a kind of segmentation rotor.This segmentation rotor can comprise: one or more wheel hubs, and from a plurality of spoke formula arms of wheel hub extension, and a plurality of rotor section, these a plurality of rotor sections are attached to spoke formula arm and form the wheel rim around spoke formula arm.
The application also provides a kind of segmentation rotor.This segmentation rotor can comprise the centre wheel of belt wheel hub, from a plurality of support arms of centre wheel extension, and wheel rim.A plurality of rotor supports sections can be around the wheel rim location of centre wheel.The rotor supports section can comprise a plurality of segment arm (segment arm) and segmentation wheel rim (segment rim).Can the rotate segmentation wheel rim location of sub-supporting section of a plurality of magnets.
The application also provides a kind of segmentation rotor external member.This segmentation rotor external member can comprise centre wheel, a plurality of rotor supports section and a plurality of movable rotor section.Centre wheel, rotor supports section and movable rotor section can have separately and be suitable for taking advantage of in four meters containers of taking advantage of 15 meters structures together or the size of separate shipments having about four meters.
As far as those of ordinary skills, when combining a plurality of accompanying drawings and accompanying claims to read following detailed, these and other characteristic of the application will become apparent with improvement.
Description of drawings
Fig. 1 is the sketch map of known wind turbine.
Fig. 2 is the sketch map of known wind turbine generator.
Fig. 3 is can be like the perspective view of segmentation rotor of the present invention.
Fig. 4 is the perspective view of wheel that can be used for the segmentation rotor of Fig. 3.
Fig. 5 is the perspective view of rotor section that can be used for the segmentation rotor of Fig. 3.
Fig. 6 is the partial side view of the rotor section of Fig. 5.
Fig. 7 is can be like the perspective view of the alternative of segmentation rotor of the present invention.
Fig. 8 is the plane graph of rotor half part that can be used for the segmentation rotor of Fig. 7.
Fig. 9 is can be like the perspective view of the alternative of segmentation rotor of the present invention.
Figure 10 is the perspective view of a plurality of spoke formula arms that can be used for the segmentation rotor of Fig. 9.
Figure 11 is the perspective view of rotor section that can be used for the segmentation rotor of Fig. 9.
Project list
10 wind turbines
15 pylons
20 cabins
25 power trains
30 wheel hubs
35 blades
40 gear boxes
45 generators
50 rotors
55 stators
60 field converters (field converter)
65 collector systems (collector system)
100 segmentation rotors
110 centre wheels
120 wheel hubs
130 support arms
140 wheel rims
150 rotor supports sections
160 segment arm
170 segmentation wheel rims
180 movable rotor sections
185 axis
190 magnets
195 utmost points
200 superimposed portions (lamination)
205 tenon shape things (dovetail)
210 segmentation rotors
220 rotors
230 the first half
240 the second half
250 wheel hubs
260 segmentation rotors
270 spoke formula arms
280 wheel hubs
290 rotor supports sections
300 wheel rims
Embodiment
Referring now to accompanying drawing,, wherein similar label refers to similar element in a plurality of views, and Fig. 1 shows the sketch map of an example of known wind turbine 10.In this example, wind turbine 10 can comprise the pylon 15 that supports cabin 20.Power train 25 can be supported in cabin 20, and power train 25 extends through cabin 20.One end supporting wheel hub 30 of power train 25 has a plurality of blades 35 on the wheel hub 30.The other end of power train 25 can be got in touch with gear box 40 and wind turbine generator 45.The example of suitable wind turbine 10 can be from the New York General Electric Co. Limited of Si Kanaitadi obtain.Can use other structure in the present invention.
Fig. 2 shows the sketch map of an example of wind turbine generator 45.Wind turbine generator 45 can comprise the rotor 50 (or additionally) that is driven by power train 25, thereby produces electric field with respect to stator 55.Other member in the wind turbine generator 45 can comprise field converter 60 and collector system 65.Can use the member of other structure and other type in the present invention.
Fig. 3 to Fig. 6 shows can be like the example that is used for the segmentation rotor 100 of generator etc. of the present invention.This segmentation rotor 100 can comprise centre wheel 110.In this example, centre wheel 100 can have overall structure.Centre wheel 110 can comprise wheel hub 120 and a plurality of support arms 130, and support arm 130 is from wheel hub 120 extensions and guide to outer rim 140.Wheel hub 120 can be connected to power train 25 or additionally.Wheel hub 120 can cooperate with power train 25 via ball bearing etc.Can use the support arm 130 of any amount and shape in the present invention.Centre wheel 110 can have any required size, but preferably diameter is not more than about four meters, so that fit in the conventional through transport shipment container etc.
Fig. 5 shows the independent rotor supports section 150 of segmentation rotor 100.Any amount of rotor supports section 150 can be around outer rim 140 location of centre wheel 110.Though rotor supports section 150 be shown as segmentation rotor 100 overall diameter 1/8th,, can use the independent rotor section 150 of any required structure and size, for example 1/4th, two/first-class.But each rotor supports section 150 bolt or additionally be attached to outer rim 140.Each rotor supports section 150 can have a plurality of segment arm 160 that extend to segmentation wheel rim 170.Can use the segment arm 160 of any amount, shape or size.Preferably, rotor supports section 150 can have such size, thereby is fitted in the conventional through transport shipment container etc.
A plurality of movable rotor components or section 180 can be around segmentation wheel rim 170 location or in other local location.Under the situation of embedded permanent magnet design, movable rotor section 180 can comprise a plurality of permanent magnets 190 around a plurality of superimposed portions 200 location.Magnet 190 can arrange in pairs that wherein each is to having the utmost point 195.Each section 180 can have a plurality of utmost points 195.Can cut apart each section 180 along movable axis 185 (D axis), so that farthest reduce any increase of magnetic resistance.Therefore, every pair of section 180 is joined along movable axis 185.
Movable rotor section 180 can be via being attached on the segmentation wheel rim 170 such as a plurality of tenon shape thing 205 such conventional equipments.Perhaps, can use the attachment of groove, bar, direct bolt or other type in the present invention.Also can use the movable rotor section of other type or the structure of member 180 and/or other type in the present invention.
Fig. 7 and Fig. 8 show can be like the alternative of segmentation rotor 210 of the present invention.Segmentation rotor 210 can be similar to segmentation rotor 100 recited above, can be divided into first or first half 230 and the rotor 220 of second portion or second half 240 but have, and type of service is the centre wheel of public wheel hub 250 simultaneously.Also can use other structure and size.In the present invention also can use activity rotor section 180.Movable rotor section 180 can be attached on the centre wheel 220 via the attachment of tenon shape thing 205, direct bolt or other type.Rotor supports section 150 also can have such size with wheel hub 250, so that be fitted in the conventional through transport shipment container etc.
Fig. 9 to Figure 11 shows can be like the further embodiment of segmentation rotor 260 of the present invention.This segmentation rotor 260 can comprise a plurality of spokes or the spoke formula arm 270 that is positioned on one or more wheel hubs 280.Particularly, paired spoke formula arm 270 can be installed on each wheel hub 280.One or more wheel hub 280 is detachable.Spoke formula arm 270 can be the shape of similar X substantially.Equally, spoke formula arm 270 also can have the form of solid construction (support arm 130 for example recited above).Perhaps, can use more solid conical by its shape.Can use the manufacturing technology of casting or other type in the present invention.In this example, show two wheel hubs 280 that have spoke formula arm 270 on it.Perhaps, can use single wheel hub 280.
In the spoke formula arm 270 each may extend to rotor supports section 290 and can be attached on the supporting section 290 via bolt etc.The rotor section 290 of combination can form complete wheel rim 300.Wheel hub 280 can be split and axially be shifted from rotor supports section 290, thereby makes also deflection circumferentially of spoke formula arm 170 tiltables.Spoke formula arm 270 can be balanced (balance) respectively with rotor section 290 in factory.Movable rotor section 180 as described above can be via tenon shape thing 205, direct bolt or other means around rotor section 290 location.Can use other structure in the present invention.
In use, the member of segmentation rotor 100,210,260 and analog thereof can have such size, thus in order to shipment conventional through transport shipment container and other type need not pay special attention to and the conventional container that spends in.Each element of the present invention can load and transport individually or together.Such container can have about four meters and take advantage of four meters structures of taking advantage of 15 meters, and has about 3.65 meters especially and take advantage of 365 meters structures of taking advantage of 14.6 meters.Can use any other size or structure in the present invention.
The member of segmentation rotor 100,210,260 can be assembled at the scene then, near peace is weighed.This member can be via assemblings such as bolt, riveted joints.Can use the jockey of other type in the present invention.Resulting rotor structure thereby the expection intensity and the integrality of the member of factory-assembled are provided, but make obviously shipment more easily.Therefore, can under significantly reduced cost and cost, use conventional shipment container.Equally, member of the present invention also can be shipped to the additionally inaccessible position via unconventional transportation.Thereby the generator that is used for wind turbine etc. can be positioned at different places.
Should it is obvious that; Aforementioned content only relates to some embodiment of the application, and under the situation that does not depart from the essence spirit of the present invention that limited accompanying claims and its equivalent and scope, can make many variations and modification by those of ordinary skills.

Claims (11)

1. a segmentation rotor (100) comprising:
Centre wheel (110);
A plurality of rotor supports sections (150), said a plurality of rotor supports sections (150) are located around said centre wheel (110); And
A plurality of movable rotor sections (180), said a plurality of movable rotor sections (180) are around wherein each location of said a plurality of rotor supports sections (150).
2. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of movable rotor sections (180) comprise a plurality of permanent magnets (190) and a plurality of utmost point (195).
3. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of movable rotor sections (180) comprise a plurality of superimposed portions (200).
4. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of movable rotor sections (180) wherein each to joining along movable axis (185).
5. segmentation rotor according to claim 1 (100) is characterized in that, said centre wheel (110) comprises wheel hub (120) and a plurality of support arms (130) that extend from said wheel hub (120).
6. segmentation rotor according to claim 1 (100) is characterized in that, said centre wheel (110) comprises that wheel hub (120) and said a plurality of rotor supports sections (150) comprise first (230) and second portion (240).
7. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of rotor supports sections (250) comprise the one or more segment arm (160) that extend to segmentation wheel rim (170).
8. segmentation rotor according to claim 1 (100) is characterized in that, said centre wheel (110) comprises wheel hub (280) and a plurality of spoke formula arms (270) that extend from said wheel hub (280).
9. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of rotor supports sections (150) comprise eight rotor sections (150).
10. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of rotor supports sections (150) comprise four rotor sections (150).
11. segmentation rotor according to claim 1 (100) is characterized in that, said a plurality of rotor supports sections (150) comprise two rotor sections (150).
CN201110221939.7A 2010-07-28 2011-07-28 segmented rotor Expired - Fee Related CN102347651B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US12/844850 2010-07-28
US12/844,850 US8581464B2 (en) 2010-07-28 2010-07-28 Segmented rotor

Publications (2)

Publication Number Publication Date
CN102347651A true CN102347651A (en) 2012-02-08
CN102347651B CN102347651B (en) 2016-06-22

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US (1) US8581464B2 (en)
CN (1) CN102347651B (en)
DE (1) DE102011051947A1 (en)
DK (1) DK178214B1 (en)

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CN106374653A (en) * 2015-07-20 2017-02-01 西门子公司 Highly dynamically operable rotor for an electrical machine
CN107735927A (en) * 2015-07-02 2018-02-23 乌本产权有限公司 Bearing part element, especially stator bearing part element and/or rotor bearing part element, the system of bearing part element, generator bearing part, generator, generator bearing system, the gondola of wind energy facility, wind energy facility and the method for assembling generator bearing system
CN108711966A (en) * 2018-06-26 2018-10-26 新疆金风科技股份有限公司 The rotor assembly and generator of generator
CN112152395A (en) * 2019-06-26 2020-12-29 北京金风科创风电设备有限公司 Large-diameter motor and assembling method thereof

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EP2621054B1 (en) * 2012-01-27 2020-02-26 GE Renewable Technologies Wind B.V. Stator assembly for a wind turbine generator
EP2621056B1 (en) * 2012-01-27 2016-10-26 ALSTOM Renewable Technologies Rotor assembly for a wind turbine generator
US20130343889A1 (en) * 2012-06-25 2013-12-26 Richard A. Himmelmann Friction Wheel Drive Train for a Wind Turbine
DE102012105992A1 (en) 2012-07-04 2013-11-07 Lloyd Dynamowerke Gmbh & Co. Kg Element of an electrical machine with a holder and a permanent magnet, component with at least one element and an electric machine
ITMI20121303A1 (en) 2012-07-25 2014-01-26 Wilic Sarl ROTOR OF A LARGE DIAMETER ROTARY ELECTRIC MACHINE AND ROTARY ELECTRIC MACHINE
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EP2731232B1 (en) 2012-11-08 2019-01-30 GE Renewable Technologies Wind B.V. Generator for a wind turbine
DE102015212453A1 (en) * 2015-07-02 2017-01-05 Wobben Properties Gmbh Carrier element, in particular stator carrier element and / or rotor carrier element, system of carrier elements, generator carrier, generator, generator support system, nacelle of a wind turbine, wind turbine and method for mounting a generator support system
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Publication number Priority date Publication date Assignee Title
CN107735927A (en) * 2015-07-02 2018-02-23 乌本产权有限公司 Bearing part element, especially stator bearing part element and/or rotor bearing part element, the system of bearing part element, generator bearing part, generator, generator bearing system, the gondola of wind energy facility, wind energy facility and the method for assembling generator bearing system
CN106374653A (en) * 2015-07-20 2017-02-01 西门子公司 Highly dynamically operable rotor for an electrical machine
CN108711966A (en) * 2018-06-26 2018-10-26 新疆金风科技股份有限公司 The rotor assembly and generator of generator
CN108711966B (en) * 2018-06-26 2019-12-06 新疆金风科技股份有限公司 Rotor assembly of generator and generator
CN112152395A (en) * 2019-06-26 2020-12-29 北京金风科创风电设备有限公司 Large-diameter motor and assembling method thereof

Also Published As

Publication number Publication date
DE102011051947A1 (en) 2012-02-02
US20110266909A1 (en) 2011-11-03
CN102347651B (en) 2016-06-22
US8581464B2 (en) 2013-11-12
DK178214B1 (en) 2015-08-31
DK201170407A (en) 2012-01-29

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Granted publication date: 20160622

Termination date: 20190728